How To Fix /PLMB/BA_SAM051 - Interface &2 is not implemented in class &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /PLMB/BA_SAM -

• Message number: 051

• Message text: Interface &2 is not implemented in class &1

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PLMB/BA_SAM051 - Interface &2 is not implemented in class &1 ?

  The SAP error message /PLMB/BA_SAM051 Interface &2 is not implemented in class &1 typically indicates that there is an issue with the implementation of a specific interface in a class within the SAP system. This error is often encountered in the context of Business Application Programming Interfaces (BAPIs) or when working with Business Object Processing Framework (BOPF) in SAP.
  Cause:
  
  Missing Implementation: The class specified in the error message does not implement the interface mentioned. This could be due to a missing or incomplete implementation of the required methods.
  Incorrect Class or Interface: The class or interface being referenced may not be the correct one for the operation being performed.
  Custom Development Issues: If there are custom developments or enhancements, they may not have been properly implemented or activated.
  Transport Issues: If the class or interface was recently transported from another system, it may not have been properly activated or may be missing dependencies.
  
  Solution:
  
  
  Check Class Implementation:
  
  Go to the ABAP Workbench (SE80) and check the class mentioned in the error message.
  Verify if the interface specified is implemented in the class. If not, you may need to implement the required methods.
  
  
  
  Implement Missing Methods:
  
  If the interface is not implemented, you can implement the necessary methods in the class. Ensure that the methods conform to the interface's specifications.
  
  
  
  Review Custom Code:
  
  If this error arises from custom code, review the implementation to ensure that it adheres to the expected interface structure.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, check if all necessary objects were transported and activated in the target system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific interface and class to ensure compliance with the expected implementation.
  
  
  
  Debugging:
  
  If the issue persists, consider debugging the code to trace where the error occurs and gather more context about the failure.
  
  
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator) or SE24 (Class Builder) to investigate the class and interface.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  Community Forums: Consider searching or posting on SAP community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the root cause of the error and implement a solution to resolve it.